﻿/*
 * Copyright (c) 2011, Andrey Krupa
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of Krupa.Pro nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */
using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;
using Krupa.Pro.Web.Utility.XmlSerialization;

namespace Krupa.Pro.Web.Utility.Composite
{
    [XmlRoot("composite")]
    public class CompositeConfig : IXmlSerializable
    {
        public CompositeConfig()
        {
            DefaultEncoding = null;
            ContentType = String.Empty;
            _entrys = new List<CompositeEntry>();
        }

        public Encoding DefaultEncoding { get; private set; }
        public String ContentType { get; set; }

        private readonly List<CompositeEntry> _entrys;


        public IEnumerable<CompositeEntry> Entrys
        {
            get { return _entrys; }
        }

            #region Implementation of IXmlSerializable

        XmlSchema IXmlSerializable.GetSchema()
        {
            return null;
        }

        void IXmlSerializable.ReadXml(XmlReader reader)
        {
            XmlElementReader.ReadXml(reader, () =>
                                                 {
                                                     switch (reader.Name)
                                                     {
                                                         case "contentType":
                                                             {
                                                                 ContentType = reader.Value;
                                                                 return;
                                                             }
                                                         case "encoding":
                                                             {
                                                                 DefaultEncoding = Encoding.GetEncoding(reader.Value);
                                                                 return;
                                                             }
                                                         default:
                                                             {
                                                                 throw new FormatException(String.Format("Unexpected attribute {0} found", reader.Name));
                                                             }
                                                     }
                                                 }
                                            , () =>
                                                 {
                                                     switch (reader.Name)
                                                     {
                                                         case "include":
                                                             {
                                                                 var entry = new CompositeEntry();
                                                                 var ixml = (IXmlSerializable) entry;
                                                                 ixml.ReadXml(reader);
                                                                 _entrys.Add(entry);
                                                                 break;
                                                             }
                                                         default:
                                                             {
                                                                 throw new FormatException(String.Format("Unexpected element {0} found", reader.Name));
                                                             }
                                                     }
                                                 });
        }

        void IXmlSerializable.WriteXml(XmlWriter writer)
        {
            writer.WriteAttributeString("contentType", ContentType);
            if(DefaultEncoding!=null)
            {
                writer.WriteAttributeString("encoding", DefaultEncoding.WebName);    
            }
        }

        #endregion
    }
}